Re: [bgl-discuss] MPI pingpong on BGL

[William Gropp <gropp@xxxxxxxxxxx>]

At 01:56 PM 1/5/2006, Jeffrey L. Tilson wrote:
> What kind of node-ASIC to node-ASIC MPI comunications are people seeing
> using MPI, e.g., Send/Recv pairs in an MPI pingpong code? ( or Pallas :)

Here are some graphs from shortly after we received the machine:

http://www-unix.mcs.anl.gov/~gropp/projects/parallel/BGL/mpptest/perf.htm

These use mpptest (http://www-unix.mcs.anl.gov/mpi/mpptest/) .  We have 
some other results, including halo exchange; see 
http://www-unix.mcs.anl.gov/~gropp/projects/parallel/BGL/perf.htm .

Bill

> --jeff
>
>
> --
> __________________________
> Jeffrey L. Tilson, Ph.D.
> Renaissance Computing Institute (RENCI)
> University of North Carolina at Chapel Hill
> Duke University
> North Carolina State University
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William Gropp
http://www.mcs.anl.gov/~gropp 

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